Stony Brook Reservoir Dam
Stony Brook Reservoir Dam is an earth dam located in New London County, Connecticut, built in 1912. It carries a Significant hazard potential classification and has a fair condition assessment.
About Stony Brook Reservoir Dam
The primary purpose of Stony Brook Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Norwich (local government). It impounds the Stony Brook near Fitch Corner.
The dam stands 40 feet tall and stretches 760 feet across, creates a reservoir covering 72 acres, has a maximum storage capacity of 1,948 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1912, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 12/17/2021.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Fitch Corner |
| River/Stream | Stony Brook |
| Coordinates | 41.49613, -72.14886 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 760 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 1,948 acre-ft |
| Max Storage | 1,948 acre-ft |
| Normal Storage | 1,550 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,250 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Norwich |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/17/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00243 |
| Federal ID | CT00243 |
| More Info | State Dam Safety Program |